Fix clang formatter (#1268 fixes #1267)

Author: nedtwigg

CHANGES.md

@@ -10,6 +10,8 @@ This document is intended for Spotless developers.
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `1.27.0`).
 
 ## [Unreleased]
+### Fixed
+* Fix Clang not knowing the filename and changing the format ([#1268](https://github.com/diffplug/spotless/pull/1268) fixes [#1267](https://github.com/diffplug/spotless/issues/1267)).
 
 ## [2.28.0] - 2022-07-28
 ### Added

lib/src/main/java/com/diffplug/spotless/cpp/ClangFormatStep.java

@@ -112,7 +112,7 @@ String format(ProcessRunner runner, String input, File file) throws IOException,
 			}
 			final String[] processArgs = args.toArray(new String[args.size() + 1]);
 			processArgs[processArgs.length - 1] = "--assume-filename=" + file.getName();
-			return runner.exec(input.getBytes(StandardCharsets.UTF_8), args).assertExitZero(StandardCharsets.UTF_8);
+			return runner.exec(input.getBytes(StandardCharsets.UTF_8), processArgs).assertExitZero(StandardCharsets.UTF_8);
 		}
 
 		FormatterFunc.Closeable toFunc() {

plugin-gradle/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `3.27.0`).
 
 ## [Unreleased]
+### Fixed
+* Fix Clang not knowing the filename and changing the format ([#1268](https://github.com/diffplug/spotless/pull/1268) fixes [#1267](https://github.com/diffplug/spotless/issues/1267)).
 
 ## [6.9.0] - 2022-07-28
 ### Added

plugin-maven/CHANGES.md

@@ -3,6 +3,8 @@
 We adhere to the [keepachangelog](https://keepachangelog.com/en/1.0.0/) format (starting after version `1.27.0`).
 
 ## [Unreleased]
+### Fixed
+* Fix Clang not knowing the filename and changing the format ([#1268](https://github.com/diffplug/spotless/pull/1268) fixes [#1267](https://github.com/diffplug/spotless/issues/1267)).
 
 ## [2.24.0] - 2022-07-28
 ### Added